Desktop type pressurizing heat treatment furnace

Abstract

The utility model provides a desktop type pressurizing heat treatment furnace which comprises a desk cabinet base, a circuit control assembly, a preparation assembly, a pressure applying assembly, an electric pressurizing assembly and a temperature measuring assembly, and the circuit control assembly is installed at the upper end of the desk cabinet base. The gap between the first heating sheet and the second heating sheet can be adjusted according to the thickness of a sample, so that the device can research samples with different thicknesses, the first heating sheet and the second heating sheet which are made of graphite sheets have the advantages of being easy to process, low in price and convenient to operate, and three thermocouples are inserted into the first graphite block and the second graphite block respectively, so that the heating efficiency of the device is improved. And meanwhile, the high-precision infrared thermometer and the six thermocouples are adopted to measure the temperature of the sample, so that the accuracy of temperature measurement can be ensured to a great extent.

Description

Technical Field

[0001] The invention belongs to the technical field of material preparation equipment, and in particular relates to a desktop pressurized heat treatment furnace. Background Art

[0002] At present, vacuum hot pressing, as a kind of modern material forming technology, is a kind of technology in the fields of cemented carbide, functional ceramics, powder metallurgy, etc., with a history of 100 years. In recent decades, with the progress of science and technology, vacuum hot pressing technology is no longer just a special technology for powder metallurgy. Its application has been expanded to the atomic energy industry, ceramic industry, foundry industry, tool manufacturing and graphite production departments. With the increasing expansion of its application scope and the continuous improvement of its role and economic benefits, vacuum hot pressing has become an extremely important modern material forming technology;

[0003] The existing pressurized heat treatment furnace has a complex structure, which also leads to complicated material preparation processes. The heating elements used in the pressurized heat treatment furnace are often in a high-temperature use environment for a long time. Its service life is difficult to guarantee and needs to be replaced frequently, which greatly increases the cost of subsequent maintenance of the equipment. Therefore, we hope to develop a desktop pressurized heat treatment furnace to solve the above technical problems. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention aims to provide a desktop pressurized heat treatment furnace to solve the problems raised in the above background technology.

[0005] The present invention is implemented by the following technical scheme: a desktop pressurized heat treatment furnace, comprising: a table cabinet base, a circuit control component, a preparation component, a pressure component, an electric pressurizing component and a temperature measuring component, wherein the circuit control component is installed on the upper end of the table cabinet base, and the preparation component is installed on the left side of the upper end of the circuit control component;

[0006] A pressure-applying component is installed on the upper end of the preparation component, an electric pressure-applying component is installed on the left rear side of the upper end of the table cabinet base, and the electric pressure-applying component is located directly behind the preparation component. A temperature measuring component is installed on the left rear side of the circuit control component, and the temperature measuring component is located on the right rear side of the preparation component. In actual use, the circuit control component can perform temperature control, current adjustment, and electric pressure control, and these functions are all concentrated on the panel for easy operation.

[0007] As a preferred embodiment, the preparation assembly includes a lower sealing flange, an upper sealing flange, and a quartz cavity, the lower end of the quartz cavity is sealed and connected to the lower sealing flange, the lower end of the lower sealing flange is fixed to the left side of the upper end of the circuit control assembly, and the upper end of the quartz cavity is sealed and connected to the upper sealing flange;

[0008] A mesh cover is installed on the outside of the quartz cavity, the upper end of the mesh cover is movably abutted against the outer side of the lower end of the upper sealing flange, the lower end of the mesh cover is fixedly connected to the outer side of the upper end of the lower sealing flange, and a locking card plate 2 is respectively provided on the left front side, the left rear side, the right front side, and the right rear side of the upper sealing flange;

[0009] A locking card plate 1 is respectively arranged on the left front side, left rear side, right front side and right rear side of the lower sealing flange. The specification of locking card plate 1 is the same as that of locking card plate 2. The outer ends of locking card plate 1 and locking card plate 2 both penetrate downward to form a U-shaped through groove. In actual use, the quartz cavity is transparent as a whole, and the mesh cover installed on its outside is a stainless steel mesh cover. The user can see the inside of the quartz cavity through the mesh cover, and the mesh cover plays a role in protecting the safety of the equipment and the user.

[0010] As a preferred embodiment, four locking components are movably installed between the upper sealing flange and the lower sealing flange through a locking clamp plate 1 and a locking clamp plate 2;

[0011] The locking assembly comprises a bakelite stick and a locking head, wherein the upper end and the lower end of the bakelite stick are respectively provided with a threaded section, and the upper end and the lower end of the bakelite stick are respectively threadedly connected with a locking head through a threaded section, and a bakelite stick is movably installed between each of the locking clamping plate 1 and the locking clamping plate 2;

[0012] The threaded sections at the upper and lower ends of the bakelite stick are respectively clamped in the U-shaped grooves at the outer ends of the locking clamp plate 1 and the locking clamp plate 2, and the length of the threaded section is greater than the depth of the U-shaped groove, and the diameter of the threaded section is smaller than the diameter of the bakelite stick.

[0013] As a preferred embodiment, a vacuum joint is fixed on the left side of the upper end of the upper sealing flange, and the vacuum joint is connected to an external vacuum pump (the vacuum pump is a two-stage rotary vane vacuum pump, and the vacuum degree can reach 5*10-2torr), a second clamping sleeve is installed on the left front side of the upper end of the upper sealing flange, and a first clamping sleeve is installed on the left rear side of the upper end of the upper sealing flange;

[0014] The lower ends of the first and second clamping sleeves extend to the interior of the upper end of the quartz cavity, the first clamping sleeve is connected to an external inert gas supply device, and an observation window is provided on the right side of the upper end of the upper sealing flange, and the inner diameter of the observation window is 35 mm;

[0015] A ceramic sealing electrode with a specification of M18 is installed on the left and right sides of the lower end of the lower sealing flange, and the upper ends of the two ceramic sealing electrodes respectively penetrate the lower sealing flange and extend to the lower end of the quartz cavity, and the two ceramic sealing electrodes extend downward to the inside of the circuit control component;

[0016] An electrode support column is fixed to the upper end of each ceramic sealed electrode, a heating element is arranged in the middle of the upper surface of the lower sealing flange, a water cooling ring is installed on the upper end of the heating element, a water cooling pipe is installed in the middle of the lower sealing flange, and the water cooling pipe extends downward to the inside of the circuit control component and extends to the left out of the left end of the circuit control component;

[0017] The heating element includes a support platform, a bottom tube and a heating plate 1, a support platform is installed inside the bottom tube, a docking tube is movably docked at the upper end of the bottom tube, a heating plate 1 is installed at the upper end of the bottom tube, the left end and the right end of the heating plate 1 are respectively fixedly connected to the upper end of an electrode support column, a heating plate 2 is placed on the middle upper side of the heating plate 1, a water-cooling ring is installed on the upper end of the docking tube, a docking block is installed inside the upper end of the docking tube, the lower side of the docking block is slidably connected to the water-cooling ring, the lower end of the docking block is fixedly connected to the upper end of the graphite block 1, a graphite block 2 is placed on the upper end of the heating plate 2, the upper end of the graphite block 2 is movably abutted against a lower end of the graphite block, three electric thermocouples are inserted on the graphite block 1 and the graphite block 2, in actual use, the heating plate 1 and the heating plate 2 are both a graphite plate, the maximum temperature can reach 2900°C and the gap between the heating plate 1 and the heating plate 2 can be adjusted according to the thickness of the sample, in actual use, the six thermocouples are all type B thermocouples.

[0018] As a preferred embodiment, the pressure-applying assembly includes a bottom flange, a telescopic bellows, and an upper flange, wherein the bottom flange is fixed in the middle of the upper sealing flange, the upper end of the bottom flange is fixedly connected to the lower end of the telescopic bellows, and the upper end of the telescopic bellows is fixedly connected to the lower end of the upper flange;

[0019] The bottom flange has the same specifications as the upper flange, and a fixing plate is respectively provided on the left side, right side, front side and rear side of the bottom flange, and a guide rod is fixed to the fixing plates on the left side and right side of the bottom flange, and a guide plate is respectively provided on the left side, right side, front side and rear side of the upper flange, and the guide plates on the left side and right side of the upper flange are respectively slidably connected to a guide rod;

[0020] A pressure rod is slidably installed inside the upper flange, and the lower end of the pressure rod extends downward through the telescopic bellows, the bottom flange, and the upper sealing flange to the inside of the docking tube, and the lower end of the pressure rod is movably abutted against the upper end of the docking block.

[0021] As a preferred embodiment, the electric pressurizing assembly includes a stand, a slider, an electric cylinder and a pressurizing head. The electric cylinder is installed on the upper end of the stand, and the slider is slidably installed on the front side of the stand. The upper end of the slider is fixedly connected to the lower end of the piston rod of the electric cylinder. The pressurizing head is installed on the front end of the slider, and the pressurizing head is movably abutted against the upper end of the pressurizing rod.

[0022] As a preferred embodiment, the temperature measuring component includes an adjusting frame and an infrared thermometer. The infrared thermometer is movably installed on the upper end of the adjusting frame. The infrared thermometer is located above the observation window. In actual use, the temperature measurement range of the infrared thermometer is 500-3000°C, the measurement accuracy is ±0.5% FS, and the repeatability accuracy is ±0.3% FS or ±1°C.

[0023] After adopting the above technical scheme, the beneficial effects of the present invention are as follows: by setting the heating sheet 1 and the heating sheet 2, the gap between the heating sheet 1 and the heating sheet 2 can be adjusted according to the thickness of the sample, so that the device can study samples of different thicknesses without making the samples into a fixed size, reducing the difficulty of using the device and simplifying the use procedure of the device. The heating sheet 1 and the heating sheet 2 can make the material reach a high temperature of 2900°C in an instant, greatly shortening the heating time of the material. The heating sheet 1 and the heating sheet 2 made of graphite sheets have the advantages of easy processing, affordable price and convenient operation.

[0024] The setting of the electric pressurizing component, in conjunction with the pressure applying component, can pressurize the material sample between the first heating plate and the second heating plate, making it easier to study the instantaneous deformation and chemical properties of the material;

[0025] By inserting three thermocouples on graphite block 1 and graphite block 2 respectively, and using a high-precision infrared thermometer and 6 thermocouples to measure the temperature of the sample, the accuracy of the measured temperature can be guaranteed to a great extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 The figure is a schematic diagram of the overall structure of a desktop pressurized heat treatment furnace of the present invention.

[0028] Figure 2 The present invention is a schematic diagram of the connection between a circuit control component and a preparation component of a desktop pressurized heat treatment furnace.

[0029] Figure 3 It is a schematic diagram of the preparation component structure of a desktop pressurized heat treatment furnace of the present invention.

[0030] Figure 4 It is a schematic diagram of the pressure component structure of a desktop pressurized heat treatment furnace of the present invention.

[0031] Figure 5It is a schematic diagram of a cross-section of a preparation component of a desktop pressurized heat treatment furnace of the present invention.

[0032] Figure 6 for Figure 5 A is an enlarged schematic diagram.

[0033] In the figure, 100-desk cabinet base;

[0034] 200-circuit control component;

[0035] 300-preparation assembly, 310-lower sealing flange, 311-locking card plate 1, 320-locking assembly, 321-bakelite stick, 322-locking head, 330-quartz cavity, 340-upper sealing flange, 341-vacuum joint, 342-ferrule joint 1, 343-observation window, 344-ferrule joint 2, 350-mesh cover, 360-ceramic sealed electrode, 361-electrode support column, 370-water cooling pipe, 380-water cooling ring, 390-heating element, 391-support platform, 392-bottom cylinder, 393-heating plate 1, 394-heating plate 2, 395-graphite block 1, 396-thermocouple, 397-graphite block 2, 398-docking cylinder, 399-docking block;

[0036] 400-pressure assembly, 410-bottom flange, 411-fixing plate, 412-guide rod, 420-telescopic bellows, 430-upper flange, 431-guide plate, 440-pressure rod;

[0037] 500-electric pressurizing assembly, 510-stand, 520-slider, 530-electric cylinder, 540-pressurizing head;

[0038] 600-temperature measuring component, 610-adjusting frame, 620-infrared thermometer. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figures 1 to 6 The present invention provides a technical solution: a desktop pressurized heat treatment furnace, comprising: a table cabinet base 100, a circuit control component 200, a preparation component 300, a pressure component 400, an electric pressurizing component 500 and a temperature measuring component 600, the circuit control component 200 is installed on the upper end of the table cabinet base 100, and the preparation component 300 is installed on the left side of the upper end of the circuit control component 200;

[0041] A pressure-applying component 400 is installed on the upper end of the preparation component 300, an electric pressure-applying component 500 is installed on the left rear side of the upper end of the cabinet base 100, and the electric pressure-applying component 500 is located directly behind the preparation component 300. A temperature measuring component 600 is installed on the left rear side of the circuit control component 200, and the temperature measuring component 600 is located on the right rear side of the preparation component 300. In actual use, the circuit control component 200 can perform temperature control, current adjustment, and electric pressure control, and these functions are all concentrated on the panel for easy operation.

[0042] See also Figures 1 to 5 The preparation component 300 includes a lower sealing flange 310, an upper sealing flange 340, and a quartz cavity 330. The lower end of the quartz cavity 330 is sealed and connected to the lower sealing flange 310. The lower end of the lower sealing flange 310 is fixed to the left side of the upper end of the circuit control component 200. The upper end of the quartz cavity 330 is sealed and connected to the upper sealing flange 340.

[0043] A mesh cover 350 is installed outside the quartz cavity 330, the upper end of the mesh cover 350 is movably abutted against the outer side of the lower end of the upper sealing flange 340, and the lower end of the mesh cover 350 is fixedly connected to the outer side of the upper end of the lower sealing flange 310, and a locking card plate 2 is respectively provided on the left front side, the left rear side, the right front side, and the right rear side of the upper sealing flange 340;

[0044] A locking card plate 1 311 is respectively provided on the left front side, left rear side, right front side and right rear side of the lower sealing flange 310. The specifications of the locking card plate 1 311 are the same as those of the locking card plate 2. The outer ends of the locking card plate 1 311 and the locking card plate 2 both penetrate downward to form a U-shaped through groove. In actual use, the quartz cavity 330 is transparent as a whole, and the mesh cover 350 installed on its outside is a stainless steel mesh cover 350. The user can see the inside of the quartz cavity 330 through the mesh cover 350, and the mesh cover 350 plays a role in protecting the safety of the equipment and the user.

[0045] Four locking assemblies 320 are movably installed between the upper sealing flange 340 and the lower sealing flange 310 through a locking clamp plate 1 311 and the locking clamp plate is divided into two equal parts;

[0046] The locking assembly 320 includes a bakelite stick 321 and a locking head 322. The upper end and the lower end of the bakelite stick 321 are respectively provided with a threaded section. The upper end and the lower end of the bakelite stick 321 are respectively threadedly connected with a locking head 322 through a threaded section. A bakelite stick 321 is movably installed between each locking card plate 1 311 and a locking card plate 2.

[0047] The threaded sections at the upper and lower ends of the bakelite stick 321 are respectively clamped in the U-shaped grooves at the outer ends of the locking clamp plate 1 311 and the locking clamp plate 2, and the length of the threaded section is greater than the depth of the U-shaped groove, and the diameter of the threaded section is smaller than the diameter of the bakelite stick 321.

[0048] A vacuum joint 341 is fixed on the left side of the upper end of the upper sealing flange 340, and the vacuum joint 341 is connected to an external vacuum pump (the vacuum pump is a two-stage rotary vane vacuum pump, and the vacuum degree can reach 5*10-2torr). A second clamping sleeve is installed on the left front side of the upper end of the upper sealing flange 340, and a first clamping sleeve is installed on the left rear side of the upper end of the upper sealing flange 340;

[0049] The lower ends of the first and second clamping sleeves extend to the interior of the upper end of the quartz chamber 330. The first clamping sleeve is connected to an external inert gas supply device. An observation window 343 is provided on the right side of the upper end of the upper sealing flange 340. The inner diameter of the observation window 343 is 35 mm.

[0050] A ceramic sealing electrode 360 ​​of specification M18 is installed on the left and right sides of the lower end of the lower sealing flange 310, and the upper ends of the two ceramic sealing electrodes 360 respectively penetrate the lower sealing flange 310 and extend to the lower end of the quartz cavity 330, and the two ceramic sealing electrodes 360 extend downward to the inside of the circuit control component 200;

[0051] An electrode support column 361 is fixed to the upper end of each ceramic sealed electrode 360, a heating element 390 is arranged in the middle of the upper surface of the lower sealing flange 310, a water cooling ring 380 is installed on the upper end of the heating element 390, a water cooling pipe 370 is installed in the middle of the lower sealing flange 310, and the water cooling pipe 370 extends downward to the inside of the circuit control component 200 and extends to the left out of the left end of the circuit control component 200;

[0052] The heating element 390 includes a support platform 391, a bottom tube 392 and a heating plate 1 393. The support platform 391 is installed inside the bottom tube 392. The upper end of the bottom tube 392 is movably connected to a docking tube 398. The upper end of the bottom tube 392 is installed with a heating plate 1 393. The left and right ends of the heating plate 1 393 are respectively fixedly connected to the upper end of an electrode support column 361. A heating plate 2 394 is placed on the middle upper side of the heating plate 1 393. A water cooling ring 380 is installed on the upper end of the docking tube 398. A docking block 399 is installed inside the upper end of the docking tube 398. The lower side of the docking block 399 is slidably connected to the water cooling ring 380. The lower end of the docking block 399 is fixedly connected to the upper end of the graphite block 1 395, and a graphite block 2 397 is placed on the upper end of the heating plate 2 394. The upper end of the graphite block 2 397 is movably connected to the lower end of the graphite block 1 395. Three thermocouples are inserted on the graphite block 1 395 and the graphite block 2 397. In actual use, the heating plate 1 393 and the heating plate 2 394 are both graphite sheets. The maximum temperature can reach 2900°C and the gap between the heating plate 1 393 and the heating plate 2 394 can be adjusted according to the thickness of the sample. In actual use, the six thermocouples 396 are all type B thermocouples.

[0053] As the first embodiment of the present invention, in use, the user first places the sample in the middle of the heating plate 1 393, the lower side of the middle of the heating plate 1 393 abuts against the upper end of the support 391, and then places the heating plate 2 394 on the upper side of the sample, that is, the sample is located between the heating plate 1 393 and the heating plate 2 394, then places the graphite block 2 397 on the upper side of the heating plate 2 394, and then places the docking tube 398 on the upper end of the bottom tube 392, and makes the lower end of the graphite block 1 395 abut against the upper end of the graphite block 2 39 7, and then the entire upper sealing flange 340 is fixed to the upper end of the quartz chamber 330, and the lower end of the pressure rod 440 on the pressure assembly 400 is movably abutted against the upper end of the docking block 399 at the upper end of the docking tube 398. After the upper sealing flange 340 is fixed, the external vacuum pump is started, and the inside of the quartz chamber 330 is evacuated using the vacuum connector 341. After evacuation, the external inert gas supply device is connected through the ferrule connector 342 on the upper sealing flange 340. Inert gas is delivered to the inside of the quartz cavity 330. At this time, the second ferrule joint 344 is in a closed state. After the inside of the quartz cavity 330 is filled with inert gas, the user supplies power to the ceramic electrode 360 ​​through the circuit control component 200 (it is a prior art that the circuit control component 200 supplies power to the heating plate 1 393 and the heating plate 2 394 through the ceramic electrode 360, and its specific connection structure and working principle are not repeated here), so that the heating plate 1 393 and the heating plate 2 394 instantly heat the material to a high temperature state under the action of the power supply of the two ceramic electrodes 360. At the same time, the user starts the electric pressurizing component 500 through the circuit control component 200, so that the pressurizing rod 440 can steadily move downward to squeeze the docking block 399, so that the graphite block 1 395 presses down the graphite block 2 397, and the heating plate 2 394 is pressurized by the graphite block 2 397, so as to achieve the purpose of pressurizing the sample, so that the instantaneous deformation and chemical properties of the material can be studied.

[0054] By setting heating plate 1 393 and heating plate 2 394, the gap between heating plate 1 393 and heating plate 2 394 can be adjusted according to the thickness of the sample, so that the equipment can study samples of different thicknesses without making the samples into a fixed size, reducing the difficulty of using the equipment and simplifying the equipment's use procedure. Heating plate 1 393 and heating plate 2 394 can make the material reach a high temperature of 2900°C in an instant, greatly shortening the material heating time. Heating plate 1 393 and heating plate 2 394 made of graphite sheets have the advantages of easy processing, affordable price and convenient operation.

[0055] See also Figures 1 to 5The pressure assembly 400 includes a bottom flange 410, a telescopic bellows 420, and an upper flange 430. The bottom flange 410 is fixed in the middle of the upper sealing flange 340. The upper end of the bottom flange 410 is fixedly connected to the lower end of the telescopic bellows 420. The upper end of the telescopic bellows 420 is fixedly connected to the lower end of the upper flange 430.

[0056] The bottom flange 410 has the same specifications as the upper flange 430. A fixing plate 411 is respectively provided on the left side, right side, front side and rear side of the bottom flange 410. A guide rod 412 is fixed on the fixing plates 411 on the left side and right side of the bottom flange 410. A guide plate 431 is respectively provided on the left side, right side, front side and rear side of the upper flange 430. The guide plates 431 on the left side and right side of the upper flange 430 are respectively slidably connected with a guide rod 412.

[0057] A pressure rod 440 is slidably installed inside the upper flange 430 , and the lower end of the pressure rod 440 extends downward through the telescopic bellows 420 , the bottom flange 410 , and the upper sealing flange 340 to the inside of the docking tube 398 , and the lower end of the pressure rod 440 is movably abutted against the upper end of the docking block 399 .

[0058] The electric pressurizing assembly 500 includes a stand 510, a slider 520, an electric cylinder 530 and a pressurizing head 540. The electric cylinder 530 is installed at the upper end of the stand 510, and the slider 520 is slidably installed on the front side of the stand 510. The upper end of the slider 520 is fixedly connected to the lower end of the piston rod of the electric cylinder 530. The pressurizing head 540 is installed at the front end of the slider 520, and the pressurizing head 540 is movably abutted against the upper end of the pressurizing rod 440.

[0059] As the second embodiment of the present invention, based on the above-mentioned first embodiment, in actual use, the electric cylinder 530 drives the slider 520 to gradually move downward on the stand 510, so that the pressure head 540 gradually presses the pressure rod 440 at the upper end of the pressure assembly 400 downward, and the pressure rod 440 presses the upper flange 430 after being forced. Under the action of the guide plate 431 and the guide rod 412, the upper flange 430 stably presses down the telescopic bellows 420, so that the pressure rod 440 can steadily move downward to extrude the docking block 399. The docking block 399 moves downward so that the graphite block 1 395 presses down the graphite block 2 397, and the heating plate 2 394 is pressurized by the graphite block 2 397, so as to achieve the purpose of pressurizing the sample;

[0060] The arrangement of the electric pressurizing component 500, in cooperation with the pressure-applying component 400, can pressurize the material sample between the heating plate 1 393 and the heating plate 2 394, so as to facilitate the study of the instantaneous deformation and chemical properties of the material.

[0061] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 5 The temperature measuring assembly 600 includes an adjusting frame 610 and an infrared thermometer 620. The infrared thermometer 620 is movably installed on the upper end of the adjusting frame 610. The infrared thermometer 620 is located above the observation window 343. In actual use, the temperature measurement range of the infrared thermometer 620 is 500-3000°C, the measurement accuracy is ±0.5% FS, and the repeatability accuracy is ±0.3% FS or ±1°C.

[0062] As a third embodiment of the present invention, based on the above first embodiment, when the heating plate 1 393 and the heating plate 2 394 heat the sample, the infrared thermometer 620 located on the upper side of the preparation component 300 measures the sample heating temperature through the observation window 343 on the upper sealing flange 340, and at the same time, the three thermocouples 396 respectively inserted on the graphite block 1 395 and the graphite block 2 397 synchronously measure the sample heating temperature;

[0063] By inserting three thermocouples 396 on the graphite block 1 395 and the graphite block 2 397 respectively, and using a high-precision infrared thermometer 620 and six thermocouples 396 to measure the temperature of the sample, the accuracy of the measured temperature can be guaranteed to a great extent.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A desktop pressurized heat treatment furnace, comprising: A cabinet base (100), a circuit control component (200), a preparation component (300), a pressure component (400), an electric pressure component (500), and a temperature measurement component (600), wherein the circuit control component (200) is installed on the upper end of the cabinet base (100), and the preparation component (300) is installed on the left side of the upper end of the circuit control component (200); A pressure-applying component (400) is installed on the upper end of the preparation component (300); an electric pressure-applying component (500) is installed on the left rear side of the upper end of the cabinet base (100); the electric pressure-applying component (500) is located directly behind the preparation component (300); a temperature-measuring component (600) is installed on the left rear side of the circuit control component (200); the temperature-measuring component (600) is located on the right rear side of the preparation component (300).

2. A desktop pressurized heat treatment furnace as claimed in claim 1, characterized in that: The preparation component (300) comprises a lower sealing flange (310), an upper sealing flange (340), and a quartz cavity (330); the lower end of the quartz cavity (330) is sealedly connected to the lower sealing flange (310); the lower end of the lower sealing flange (310) is fixed to the left side of the upper end of the circuit control component (200); and the upper end of the quartz cavity (330) is sealedly connected to the upper sealing flange (340); A mesh cover (350) is installed on the outside of the quartz cavity (330), the upper end of the mesh cover (350) is movably abutted against the outer side of the lower end of the upper sealing flange (340), the lower end of the mesh cover (350) is fixedly connected to the outer side of the upper end of the lower sealing flange (310), and a locking clamp plate 2 is respectively provided on the left front side, the left rear side, the right front side, and the right rear side of the upper sealing flange (340); A locking clamp plate 1 (311) is respectively provided on the left front side, the left rear side, the right front side and the right rear side of the lower sealing flange (310); the specification of the locking clamp plate 1 (311) is the same as that of the locking clamp plate 2; the outer ends of the locking clamp plate 1 (311) and the locking clamp plate 2 are both penetrated downward to form a U-shaped through groove.

3. A desktop pressurized heat treatment furnace as claimed in claim 2, characterized in that: Four locking assemblies (320) are movably installed between the upper sealing flange (340) and the lower sealing flange (310) via a locking clamping plate 1 (311) and a locking clamping plate divided into two equal parts; The locking assembly (320) comprises a bakelite stick (321) and a locking head (322), wherein the upper end and the lower end of the bakelite stick (321) are respectively provided with a threaded section, and the upper end and the lower end of the bakelite stick (321) are respectively threadedly connected to a locking head (322) via a threaded section, and a bakelite stick (321) is movably installed between each locking clamp plate 1 (311) and a locking clamp plate 2; The threaded sections at the upper and lower ends of the bakelite stick (321) are respectively clamped in the U-shaped through grooves at the outer ends of the first locking clamp plate (311) and the second locking clamp plate, and the length of the threaded section is greater than the depth of the U-shaped through groove, and the diameter of the threaded section is smaller than the diameter of the bakelite stick (321).

4. A desktop pressurized heat treatment furnace as claimed in claim 3, characterized in that: A vacuum joint (341) is fixed to the left side of the upper end of the upper sealing flange (340), and the vacuum joint (341) is connected to an external vacuum pump. A second clamping sleeve is installed on the left front side of the upper end of the upper sealing flange (340), and a first clamping sleeve is installed on the left rear side of the upper end of the upper sealing flange (340); The lower ends of the first and second clamping sleeves extend to the interior of the upper end of the quartz cavity (330); the first clamping sleeve is connected to an external inert gas supply device; an observation window (343) is provided on the right side of the upper end of the upper sealing flange (340); the inner diameter of the observation window (343) is 35 mm; A ceramic sealing electrode (360) with a specification of M18 is respectively installed on the left and right sides of the lower end of the lower sealing flange (310); the upper ends of the two ceramic sealing electrodes (360) respectively penetrate the lower sealing flange (310) and extend to the interior of the lower end of the quartz cavity (330); and the two ceramic sealing electrodes (360) both extend downward to the interior of the circuit control component (200); An electrode support column (361) is fixed to the upper end of each ceramic sealed electrode (360); a heating element (390) is arranged in the middle of the upper surface of the lower sealing flange (310); a water cooling ring (380) is installed on the upper end of the heating element (390); a water cooling pipe (370) is installed in the middle of the lower sealing flange (310); the water cooling pipe (370) extends downward into the interior of the circuit control component (200) and extends to the left out of the left end of the circuit control component (200); The heating element (390) comprises a support platform (391), a bottom tube (392) and a heating plate (393). The support platform (391) is installed inside the bottom tube (392). The upper end of the bottom tube (392) is movably docked with a docking tube (398). The upper end of the bottom tube (392) is installed with a heating plate (393). The left and right ends of the heating plate (393) are respectively fixedly connected to the upper end of an electrode support column (361). A heating plate (394) is placed on the upper middle side of the heating plate (393). The docking tube (398) is connected to the upper end of the bottom tube (392). ) is installed at the upper end of the docking tube (398), a docking block (399) is installed inside the upper end of the docking tube (398), the lower side of the docking block (399) is slidably connected to the water cooling ring (380), the lower end of the docking block (399) is fixedly connected to the upper end of the graphite block one (395), a graphite block two (397) is placed on the upper end of the heating plate two (394), the upper end of the graphite block two (397) is movably abutted against the lower end of the graphite block one (395), and three electric thermocouples are inserted on the graphite block one (395) and the graphite block two (397).

5. A desktop pressurized heat treatment furnace as claimed in claim 4, characterized in that: The pressure-applying assembly (400) comprises a bottom flange (410), a telescopic bellows (420), and an upper flange (430); the bottom flange (410) is fixed in the middle of the upper sealing flange (340); the upper end of the bottom flange (410) is fixedly connected to the lower end of the telescopic bellows (420); and the upper end of the telescopic bellows (420) is fixedly connected to the lower end of the upper flange (430); The bottom flange (410) and the upper flange (430) have the same specifications. A fixing plate (411) is respectively provided on the left side, right side, front side and rear side of the bottom flange (410). A guide rod (412) is fixed to the fixing plates (411) on the left side and right side of the bottom flange (410). A guide plate (431) is respectively provided on the left side, right side, front side and rear side of the upper flange (430). The guide plates (431) on the left side and right side of the upper flange (430) are respectively slidably connected to a guide rod (412). A pressure rod (440) is slidably mounted inside the upper flange (430). The lower end of the pressure rod (440) passes downward through the telescopic bellows (420), the bottom flange (410), and the upper sealing flange (340) and extends into the interior of the docking tube (398). The lower end of the pressure rod (440) is movably abutted against the upper end of the docking block (399).

6. A desktop pressurized heat treatment furnace as claimed in claim 5, characterized in that: The electric pressurizing assembly (500) comprises a stand (510), a slider (520), an electric cylinder (530) and a pressurizing head (540); the electric cylinder (530) is mounted on the upper end of the stand (510); the slider (520) is slidably mounted on the front side of the stand (510); the upper end of the slider (520) is fixedly connected to the lower end of the piston rod of the electric cylinder (530); the pressurizing head (540) is mounted on the front end of the slider (520); and the pressurizing head (540) is movably abutted against the upper end of the pressurizing rod (440).

7. A desktop pressurized heat treatment furnace as claimed in claim 4, characterized in that: The temperature measurement component (600) comprises an adjustment frame (610) and an infrared thermometer (620); the infrared thermometer (620) is movably mounted on the upper end of the adjustment frame (610); and the infrared thermometer (620) is located above the observation window (343).

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